Home / 7,557.77-10,428.48-4,200.50

Finding the Fourth Proportional to 7,557.77, 10,428.48 and 4,200.50

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Solution

The fourth proportional to 7,557.77, 10,428.48 and 4,200.50 is: 5,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.77 : 10,428.48 = 4,200.50 : x
  2. Step 2: Convert to fraction form
    7,557.77/10,428.48 = 4,200.50/x
  3. Step 3: Cross multiply
    7,557.77x = 10,428.48 × 4,200.50
  4. Step 4: Simplify right side
    7,557.77x = 43,804,856.31
  5. Step 5: Solve for x
    x = 43,804,856.31/7,557.77
  6. Step 6: Final answer
    x = 5,796.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.